Home / 2,067.04-3,099.60-767.68

Finding the Fourth Proportional to 2,067.04, 3,099.60 and 767.68

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Solution

The fourth proportional to 2,067.04, 3,099.60 and 767.68 is: 1,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.04 : 3,099.60 = 767.68 : x
  2. Step 2: Convert to fraction form
    2,067.04/3,099.60 = 767.68/x
  3. Step 3: Cross multiply
    2,067.04x = 3,099.60 × 767.68
  4. Step 4: Simplify right side
    2,067.04x = 2,379,500.93
  5. Step 5: Solve for x
    x = 2,379,500.93/2,067.04
  6. Step 6: Final answer
    x = 1,151.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.